/*
 * jMsAjax 0.2.2 - Microsoft Ajax jQuery Plugin
 *
 * Copyright (c) 2008 Adam Schr?der (schotime.net)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * $Date: 2008-07-12 $
 */
(function($) {
    $.msJsonp = function(options) {
        var defaults = {
            type: "GET",
            dataType: "jsonp"
        };

        var options = $.extend(defaults, options);

        return $.msJson(options);
    }
    $.msJson = function(options) {
        var defaults = {
            type: "GET",
            dataType: "json",
            success: function(json) { alert(json); }
        };

        var options = $.extend(defaults, options);

        return $.jmsajax(options);
    }
    $.jmsajax = function(options) {
        var defaults = {
            type: "POST",
            dataType: "json",
            data: {},
            beforeSend: function(xhr) {
                xhr.setRequestHeader("Content-type", "application/json; charset=utf-8");
            },
            contentType: "application/json; charset=utf-8",
            error: function(x, s, m) {
                alert("Message: " + ((x.Message) ? x.Message : "Unknown")
                    + "\nExceptionType:" + x.ExceptionType
                    + "\nStackTrace:" + x.StackTrace);
            }
        };

        var options = $.extend(defaults, options);

        if (options.method) options.url += "/" + options.method;

        if (options.data) {
            if (options.type == "GET") {
                var data = "";
                for (var i in options.data) {
                    if (data != "") data += "&";

                    data += i + "=" + msJSON.stringify(options.data[i]);
                }

                options.url += "?" + data;
                data = null;
                options.data = "{}";
            }
            else if (options.type == "POST") {
                options.data = msJSON.stringify(options.data);
            }
        }

        if (options.success && options.dataType
            && (options.dataType == "json" || options.dataType == "jsonp")) {

            var base = options.success;
            options.success = function(response, status) {
                /*
                var y = dateparse(response);
                if (options.version) {
                if (options.version >= 3.5) y = y.d;
                }
                else {
                if (response.indexOf("{\"d\":") == 0) y = y.d;
                }
                base(y, status);
                */
                var y = dateparse(msJSON.stringify(response));
                if (y && y.d) {
                    y = y.d;
                    base(y, status);
                }
                else {
                    if (y && options.error) {
                        if (y.e) y = y.e;
                        options.error(y);
                    }
                }
            }
        }

        return $.ajax(options);
    };

    dateparse = function(data) {
        try {
            return msJSON.parse(data, function(key, value) {
                var a;
                if (typeof value === "string") {
                    if (value.indexOf("Date") >= 0) {
                        a = /^\/Date\((-?[0-9]+)\)\/$/.exec(value);
                        if (a) {
                            return new Date(parseInt(a[1], 10));
                        }
                    }
                }
                return value;
            });

        }
        catch (e) {
            return null;
        }
    }

    msJSON = function() {
        function f(n) {
            return n < 10 ? '0' + n : n;
        }
        //Date.prototype.toJSON=function(key){return this.getUTCFullYear()+'-'+f(this.getUTCMonth()+1)+'-'+f(this.getUTCDate())+'T'+f(this.getUTCHours())+':'+f(this.getUTCMinutes())+':'+f(this.getUTCSeconds())+'Z';};
        var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
            escapeable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
            gap, indent, meta = {
                '\b': '\\b',
                '\t': '\\t',
                '\n': '\\n',
                '\f': '\\f',
                '\r': '\\r',
                '"': '\\"',
                '\\': '\\\\'
            },
            rep;

        function quote(string) {
            escapeable.lastIndex = 0;
            return escapeable.test(string) ? '"' + string.replace(escapeable, function(a) {
                var c = meta[a];
                if (typeof c === 'string') {
                    return c;
                }
                return '\\u' + ('0000' + (+(a.charCodeAt(0))).toString(16)).slice(-4);
            }) + '"' : '"' + string + '"';
        }

        function str(key, holder) {
            var i, k, v, length, mind = gap,
                partial, value = holder[key];
            if (value && typeof value === 'object' && typeof value.toJSON === 'function') {
                value = value.toJSON(key);
            }
            if (typeof rep === 'function') {
                value = rep.call(holder, key, value);
            }
            switch (typeof value) {
                case 'string':
                    return quote(value);
                case 'number':
                    return isFinite(value) ? String(value) : 'null';
                case 'boolean':
                case 'null':
                    return String(value);
                case 'object':
                    if (!value) {
                        return 'null';
                    }
                    if (value.toUTCString) {
                        return '"\\/Date(' + (value.getTime()) + ')\\/"';
                    }
                    gap += indent;
                    partial = [];
                    if (typeof value.length === 'number' && !(value.propertyIsEnumerable('length'))) {
                        length = value.length;
                        for (i = 0; i < length; i += 1) {
                            partial[i] = str(i, value) || 'null';
                        }
                        v = partial.length === 0 ? '[]' : gap ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : '[' + partial.join(',') + ']';
                        gap = mind;
                        return v;
                    }
                    if (rep && typeof rep === 'object') {
                        length = rep.length;
                        for (i = 0; i < length; i += 1) {
                            k = rep[i];
                            if (typeof k === 'string') {
                                v = str(k, value, rep);
                                if (v) {
                                    partial.push(quote(k) + (gap ? ': ' : ':') + v);
                                }
                            }
                        }
                    } else {
                        for (k in value) {
                            if (Object.hasOwnProperty.call(value, k)) {
                                v = str(k, value, rep);
                                if (v) {
                                    partial.push(quote(k) + (gap ? ': ' : ':') + v);
                                }
                            }
                        }
                    }
                    v = partial.length === 0 ? '{}' : gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : '{' + partial.join(',') + '}';
                    gap = mind;
                    return v;
            }
        }
        return {
            stringify: function(value, replacer, space) {
                var i;
                gap = '';
                indent = '';
                if (typeof space === 'number') {
                    for (i = 0; i < space; i += 1) {
                        indent += ' ';
                    }
                } else if (typeof space === 'string') {
                    indent = space;
                }
                rep = replacer;
                if (replacer && typeof replacer !== 'function' && (typeof replacer !== 'object' || typeof replacer.length !== 'number')) {
                    throw new Error('JSON.stringify');
                }
                return str('', {
                    '': value
                });
            },
            parse: function(text, reviver) {
                var j;

                function walk(holder, key) {
                    var k, v, value = holder[key];
                    if (value && typeof value === 'object') {
                        for (k in value) {
                            if (Object.hasOwnProperty.call(value, k)) {
                                v = walk(value, k);
                                if (v !== undefined) {
                                    value[k] = v;
                                } else {
                                    delete value[k];
                                }
                            }
                        }
                    }
                    return reviver.call(holder, key, value);
                }
                cx.lastIndex = 0;
                if (cx.test(text)) {
                    text = text.replace(cx, function(a) {
                        return '\\u' + ('0000' + (+(a.charCodeAt(0))).toString(16)).slice(-4);
                    });
                }
                if (/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
                    j = eval('(' + text + ')');
                    return typeof reviver === 'function' ? walk({
                        '': j
                    }, '') : j;
                }
                throw new SyntaxError('JSON.parse');
            }
        };
    } ();
})(jQuery);